County Durham

Darlington planning data

3,422 planning applications from Darlington. Ask questions about them in plain English from ChatGPT or Claude — no coding, about two minutes to set up — or pull them straight into your own software. 16 pieces of information are filled in on at least 90% of records.

3,422

Applications

—

Enforcement notices

190

Appeals

2005–2026

Date range

What Darlington decides

Darlington has approved 93.76% of the 2,902 applications it has decided since January 2023. Across the 225 councils with a comparable caseload the range is 71.37% to 99.14%, so this is at or above the middle of the pack (89.18%).

93.76%

Approved, of 2,902 decided

Median days to a decision

77.4

Average days

What it mostly decides

The mix of application types Darlington handles — useful for telling whether your kind of application is routine here or unusual.

Application type	Applications	Share
Full	1,282	37.5%
Other	631	18.4%
Tree	479	14.0%
Conditions	321	9.4%
Certificate	291	8.5%

How approval rates and decision times vary across the country →

What Darlington actually fills in

A "field" is one piece of information on an application — the decision date, the applicant's name, the address. Councils fill these in inconsistently, so this table measures how often Darlington actually provides each one, across all 3,422 records. Anything listed as reliable you can count on; anything lower, check the council's own record before relying on it.

Once this data is connected to ChatGPT or Claude you can just ask "what information does Darlington actually fill in?" and get these same numbers back. How to connect →

Reliable — 90% or more of records

Information	Records with it	Coverage
Address `address`	3,422	100.0%
Application type `application_type`	3,422	100.0%
Description of the works `description`	3,422	100.0%
Date received `received_date`	3,422	100.0%
Council reference `reference`	3,422	100.0%
Status `status`	3,421	100.0%
Status (standardised wording) `status_normalized`	3,420	99.9%
Ward `ward`	3,414	99.8%
Applicant's name `applicant_name`	3,382	98.8%
Agent's email `agent_email`	3,374	98.6%
Decision `decision`	3,217	94.0%
Decision date `decision_date`	3,217	94.0%
Decision (standardised wording) `decision_normalized`	3,205	93.7%
Case officer `case_officer`	3,200	93.5%
Who decided it (officer or committee) `decision_level`	3,174	92.8%
Agent's phone `agent_phone`	3,096	90.5%

Partial — use with care

Information	Records with it	Coverage
Postcode `postcode`	2,722	79.5%
Standardised type `standard_type`	2,483	72.6%
Agent's name `agent_name`	2,363	69.1%
Alternative reference `alternative_reference`	2,219	64.8%
Agent's company `agent_company`	1,432	41.8%

Rarely or never published

Information	Records with it	Coverage
Appeal decision `appeal_decision`	44	1.3%
Appeal decision (standardised wording) `appeal_decision_normalized`	44	1.3%
Type of development `development_type`	0	0.0%
Officer's recommendation `officer_recommendation`	0	0.0%

Not published by this council

Darlington's portal has been verified not to publish these fields at all — different from a field that exists but is rarely filled in.

Map coordinates (easting) Map coordinates (northing)

Get this data

Ask it in ChatGPT or Claude

Connect it once with your email address, then ask questions like "which extensions were refused in Darlington last year?" or "what's the planning history of this address?" — no coding, about two minutes to set up. Setup guide →

Or call it from your own code

curl -H "X-Api-Key: pk_..." \
  "https://ukplanningapi.co.uk/v1/applications?council_id=64&limit=5"

Council id for Darlington is 64. Full API reference for developers →

Get free access to Darlington data

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